HEADER TRANSFERASE 29-SEP-05 2B61 TITLE CRYSTAL STRUCTURE OF HOMOSERINE TRANSACETYLASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HOMOSERINE O-ACETYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HOMOSERINE O-TRANS-ACETYLASE, HOMOSERINE TRANSACETYLASE, COMPND 5 HTA; COMPND 6 EC: 2.3.1.31; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 GENE: METX, MET2; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28+HOM2 KEYWDS ACYL-ENZYME, ASPARTATE PATHWAY, COENZYME A, STRUCTURE-FUNCTION KEYWDS 2 STUDIES, ALPHA-BETA HYDROLASE FOLD, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR I.A.MIRZA,I.NAZI,M.KORCZYNSKA,G.D.WRIGHT,A.M.BERGHUIS REVDAT 5 07-FEB-18 2B61 1 REMARK REVDAT 4 13-JUL-11 2B61 1 VERSN REVDAT 3 24-FEB-09 2B61 1 VERSN REVDAT 2 20-DEC-05 2B61 1 JRNL REVDAT 1 15-NOV-05 2B61 0 JRNL AUTH I.A.MIRZA,I.NAZI,M.KORCZYNSKA,G.D.WRIGHT,A.M.BERGHUIS JRNL TITL CRYSTAL STRUCTURE OF HOMOSERINE TRANSACETYLASE FROM JRNL TITL 2 HAEMOPHILUS INFLUENZAE REVEALS A NEW FAMILY OF JRNL TITL 3 ALPHA/BETA-HYDROLASES JRNL REF BIOCHEMISTRY V. 44 15768 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 16313180 JRNL DOI 10.1021/BI051951Y REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 57586 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 3071 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.69 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4195 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.51 REMARK 3 BIN R VALUE (WORKING SET) : 0.1980 REMARK 3 BIN FREE R VALUE SET COUNT : 243 REMARK 3 BIN FREE R VALUE : 0.2240 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2823 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 425 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.38000 REMARK 3 B22 (A**2) : 0.38000 REMARK 3 B33 (A**2) : -0.58000 REMARK 3 B12 (A**2) : 0.19000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.075 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.075 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.044 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.243 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.968 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.960 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2921 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3965 ; 1.155 ; 1.949 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 364 ; 5.482 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 145 ;37.289 ;24.621 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 468 ;12.244 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ; 6.180 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 417 ; 0.084 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2293 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1387 ; 0.191 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2053 ; 0.311 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 327 ; 0.113 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 54 ; 0.147 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 29 ; 0.141 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1837 ; 0.841 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2866 ; 1.247 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1251 ; 2.038 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1099 ; 2.926 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2B61 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-OCT-05. REMARK 100 THE DEPOSITION ID IS D_1000034718. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-AUG-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97880 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CBASS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57586 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 98.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG8000, HEPES, PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.08767 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 80.17533 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 80.17533 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 40.08767 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED REMARK 300 BY THE TWO FOLD AXIS: -X, -X+Y, -Z+1/3 REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 4570 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 40.08767 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 732 LIES ON A SPECIAL POSITION. REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 546 O HOH A 767 1.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 SER A 143 -130.42 60.91 REMARK 500 ASP A 197 68.06 -101.37 REMARK 500 ARG A 220 -139.53 -118.61 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE THE SEQUENCE IS OBTAINED FROM WILD TYPE H.INFLUENZAE REMARK 999 49824 AND THE CONFLICTS ARE DUE TO DIFFERENT STRAIN. DBREF 2B61 A 1 358 UNP P45131 METX_HAEIN 1 358 SEQADV 2B61 GLY A -18 UNP P45131 CLONING ARTIFACT SEQADV 2B61 SER A -17 UNP P45131 CLONING ARTIFACT SEQADV 2B61 SER A -16 UNP P45131 CLONING ARTIFACT SEQADV 2B61 HIS A -15 UNP P45131 EXPRESSION TAG SEQADV 2B61 HIS A -14 UNP P45131 EXPRESSION TAG SEQADV 2B61 HIS A -13 UNP P45131 EXPRESSION TAG SEQADV 2B61 HIS A -12 UNP P45131 EXPRESSION TAG SEQADV 2B61 HIS A -11 UNP P45131 EXPRESSION TAG SEQADV 2B61 HIS A -10 UNP P45131 EXPRESSION TAG SEQADV 2B61 SER A -9 UNP P45131 CLONING ARTIFACT SEQADV 2B61 SER A -8 UNP P45131 CLONING ARTIFACT SEQADV 2B61 GLY A -7 UNP P45131 CLONING ARTIFACT SEQADV 2B61 LEU A -6 UNP P45131 CLONING ARTIFACT SEQADV 2B61 VAL A -5 UNP P45131 CLONING ARTIFACT SEQADV 2B61 PRO A -4 UNP P45131 CLONING ARTIFACT SEQADV 2B61 ARG A -3 UNP P45131 CLONING ARTIFACT SEQADV 2B61 GLY A -2 UNP P45131 CLONING ARTIFACT SEQADV 2B61 SER A -1 UNP P45131 CLONING ARTIFACT SEQADV 2B61 HIS A 0 UNP P45131 CLONING ARTIFACT SEQADV 2B61 MSE A 17 UNP P45131 MET 17 MODIFIED RESIDUE SEQADV 2B61 MSE A 69 UNP P45131 MET 69 MODIFIED RESIDUE SEQADV 2B61 GLU A 129 UNP P45131 ASP 129 SEE REMARK 999 SEQADV 2B61 ILE A 133 UNP P45131 VAL 133 SEE REMARK 999 SEQADV 2B61 MSE A 147 UNP P45131 MET 147 MODIFIED RESIDUE SEQADV 2B61 MSE A 160 UNP P45131 MET 160 MODIFIED RESIDUE SEQADV 2B61 MSE A 183 UNP P45131 MET 183 MODIFIED RESIDUE SEQADV 2B61 MSE A 213 UNP P45131 MET 213 MODIFIED RESIDUE SEQADV 2B61 MSE A 216 UNP P45131 MET 216 MODIFIED RESIDUE SEQADV 2B61 MSE A 275 UNP P45131 MET 275 MODIFIED RESIDUE SEQADV 2B61 GLU A 283 UNP P45131 ASP 283 SEE REMARK 999 SEQRES 1 A 377 GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY LEU SEQRES 2 A 377 VAL PRO ARG GLY SER HIS MET SER VAL GLN ASN VAL VAL SEQRES 3 A 377 LEU PHE ASP THR GLN PRO LEU THR LEU MSE LEU GLY GLY SEQRES 4 A 377 LYS LEU SER TYR ILE ASN VAL ALA TYR GLN THR TYR GLY SEQRES 5 A 377 THR LEU ASN ASP GLU LYS ASN ASN ALA VAL LEU ILE CYS SEQRES 6 A 377 HIS ALA LEU THR GLY ASP ALA GLU PRO TYR PHE ASP ASP SEQRES 7 A 377 GLY ARG ASP GLY TRP TRP GLN ASN PHE MSE GLY ALA GLY SEQRES 8 A 377 LEU ALA LEU ASP THR ASP ARG TYR PHE PHE ILE SER SER SEQRES 9 A 377 ASN VAL LEU GLY GLY CYS LYS GLY THR THR GLY PRO SER SEQRES 10 A 377 SER ILE ASN PRO GLN THR GLY LYS PRO TYR GLY SER GLN SEQRES 11 A 377 PHE PRO ASN ILE VAL VAL GLN ASP ILE VAL LYS VAL GLN SEQRES 12 A 377 LYS ALA LEU LEU GLU HIS LEU GLY ILE SER HIS LEU LYS SEQRES 13 A 377 ALA ILE ILE GLY GLY SER PHE GLY GLY MSE GLN ALA ASN SEQRES 14 A 377 GLN TRP ALA ILE ASP TYR PRO ASP PHE MSE ASP ASN ILE SEQRES 15 A 377 VAL ASN LEU CYS SER SER ILE TYR PHE SER ALA GLU ALA SEQRES 16 A 377 ILE GLY PHE ASN HIS VAL MSE ARG GLN ALA VAL ILE ASN SEQRES 17 A 377 ASP PRO ASN PHE ASN GLY GLY ASP TYR TYR GLU GLY THR SEQRES 18 A 377 PRO PRO ASP GLN GLY LEU SER ILE ALA ARG MSE LEU GLY SEQRES 19 A 377 MSE LEU THR TYR ARG THR ASP LEU GLN LEU ALA LYS ALA SEQRES 20 A 377 PHE GLY ARG ALA THR LYS SER ASP GLY SER PHE TRP GLY SEQRES 21 A 377 ASP TYR PHE GLN VAL GLU SER TYR LEU SER TYR GLN GLY SEQRES 22 A 377 LYS LYS PHE LEU GLU ARG PHE ASP ALA ASN SER TYR LEU SEQRES 23 A 377 HIS LEU LEU ARG ALA LEU ASP MSE TYR ASP PRO SER LEU SEQRES 24 A 377 GLY TYR GLU ASN VAL LYS GLU ALA LEU SER ARG ILE LYS SEQRES 25 A 377 ALA ARG TYR THR LEU VAL SER VAL THR THR ASP GLN LEU SEQRES 26 A 377 PHE LYS PRO ILE ASP LEU TYR LYS SER LYS GLN LEU LEU SEQRES 27 A 377 GLU GLN SER GLY VAL ASP LEU HIS PHE TYR GLU PHE PRO SEQRES 28 A 377 SER ASP TYR GLY HIS ASP ALA PHE LEU VAL ASP TYR ASP SEQRES 29 A 377 GLN PHE GLU LYS ARG ILE ARG ASP GLY LEU ALA GLY ASN MODRES 2B61 MSE A 17 MET SELENOMETHIONINE MODRES 2B61 MSE A 69 MET SELENOMETHIONINE MODRES 2B61 MSE A 147 MET SELENOMETHIONINE MODRES 2B61 MSE A 160 MET SELENOMETHIONINE MODRES 2B61 MSE A 183 MET SELENOMETHIONINE MODRES 2B61 MSE A 213 MET SELENOMETHIONINE MODRES 2B61 MSE A 216 MET SELENOMETHIONINE MODRES 2B61 MSE A 275 MET SELENOMETHIONINE HET MSE A 17 8 HET MSE A 69 8 HET MSE A 147 8 HET MSE A 160 8 HET MSE A 183 8 HET MSE A 213 8 HET MSE A 216 8 HET MSE A 275 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 8(C5 H11 N O2 SE) FORMUL 2 HOH *425(H2 O) HELIX 1 1 TRP A 65 ASN A 67 5 3 HELIX 2 2 TYR A 108 PHE A 112 5 5 HELIX 3 3 VAL A 116 LEU A 131 1 16 HELIX 4 4 SER A 143 TYR A 156 1 14 HELIX 5 5 SER A 173 ASN A 189 1 17 HELIX 6 6 PHE A 193 ASP A 197 5 5 HELIX 7 7 PRO A 204 ARG A 220 1 17 HELIX 8 8 THR A 221 PHE A 229 1 9 HELIX 9 9 PHE A 244 GLU A 259 1 16 HELIX 10 10 ASP A 262 TYR A 276 1 15 HELIX 11 11 ASN A 284 SER A 290 1 7 HELIX 12 12 LYS A 308 SER A 322 1 15 HELIX 13 13 TYR A 335 HIS A 337 5 3 HELIX 14 14 ASP A 338 ASP A 343 1 6 HELIX 15 15 ASP A 343 GLY A 357 1 15 SHEET 1 A 8 GLN A 4 LEU A 8 0 SHEET 2 A 8 ILE A 25 TYR A 32 -1 O ILE A 25 N LEU A 8 SHEET 3 A 8 PHE A 81 SER A 85 -1 O SER A 84 N GLN A 30 SHEET 4 A 8 ALA A 42 CYS A 46 1 N ILE A 45 O ILE A 83 SHEET 5 A 8 LEU A 136 GLY A 142 1 O ILE A 140 N LEU A 44 SHEET 6 A 8 MSE A 160 LEU A 166 1 O VAL A 164 N ILE A 139 SHEET 7 A 8 ARG A 295 VAL A 301 1 O THR A 297 N ILE A 163 SHEET 8 A 8 ASP A 325 PHE A 331 1 O TYR A 329 N SER A 300 SHEET 1 B 2 LEU A 14 THR A 15 0 SHEET 2 B 2 LYS A 21 LEU A 22 -1 O LEU A 22 N LEU A 14 SHEET 1 C 2 MSE A 69 GLY A 70 0 SHEET 2 C 2 LEU A 75 ASP A 76 1 O LEU A 75 N GLY A 70 LINK C LEU A 16 N MSE A 17 1555 1555 1.33 LINK C MSE A 17 N LEU A 18 1555 1555 1.33 LINK C PHE A 68 N MSE A 69 1555 1555 1.33 LINK C MSE A 69 N GLY A 70 1555 1555 1.33 LINK C GLY A 146 N MSE A 147 1555 1555 1.33 LINK C MSE A 147 N GLN A 148 1555 1555 1.33 LINK C PHE A 159 N MSE A 160 1555 1555 1.34 LINK C MSE A 160 N ASP A 161 1555 1555 1.33 LINK C VAL A 182 N MSE A 183 1555 1555 1.33 LINK C MSE A 183 N ARG A 184 1555 1555 1.33 LINK C ARG A 212 N MSE A 213 1555 1555 1.34 LINK C MSE A 213 N LEU A 214 1555 1555 1.33 LINK C GLY A 215 N MSE A 216 1555 1555 1.33 LINK C MSE A 216 N LEU A 217 1555 1555 1.33 LINK C ASP A 274 N MSE A 275 1555 1555 1.33 LINK C MSE A 275 N TYR A 276 1555 1555 1.33 CRYST1 85.264 85.264 120.263 90.00 90.00 120.00 P 31 2 1 6 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.011730 0.006770 0.000000 0.00000 SCALE2 0.000000 0.013540 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008310 0.00000